I would not use anything that doesnt specifically say it is safe for fish.
I got little black dots all over the leaves of my lilies, I been spraying them off
2X per day and the fish eat them. seems to be working. there are a lot fewer of
them and they only climb aboard the outer ring of leaves. Ingrid

JGW wrote:

Hi. I know the subject of aphids has come up on this list a number of
times before. I just did a search of the archives to see what folks
suggest and the suggestions have been:
1. squish em (YUK!)
2. Hose em off


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